Question

An electric lamp is marked 60 W, 220 V. The cost of kilo
watt hour of electricity is Rs. 1.25. The cost of using this
lamp on 220 V for 8 hours is
(a) Re 0.25 (b) Re 0.60
(c) Re 1.20 (d) Re 4.00

Answer 1

Answer:

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